Verses with the word grievous in the New Testament (8 verses):

Matthew 23:4
For they bind heavy burdens and grievous to be borne, and lay them on men's shoulders; but they themselves will not move them with one of their fingers.

Luke 11:46
And he said, Woe unto you also, ye lawyers! for ye lade men with burdens grievous to be borne, and ye yourselves touch not the burdens with one of your fingers.

Acts 20:29
For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock.

Acts 25:7
And when he was come, the Jews which came down from Jerusalem stood round about, and laid many and grievous complaints against Paul, which they could not prove.

Philippians 3:1
Finally, my brethren, rejoice in the Lord. To write the same things to you, to me indeed is not grievous, but for you it is safe.

Hebrews 12:11
Now no chastening for the present seemeth to be joyous, but grievous: nevertheless afterward it yieldeth the peaceable fruit of righteousness unto them which are exercised thereby.

1 John 5:3
For this is the love of God, that we keep his commandments: and his commandments are not grievous.

Revelation 16:2
And the first went, and poured out his vial upon the earth; and there fell a noisome and grievous sore upon the men which had the mark of the beast, and upon them which worshipped his image.